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DERIVATIVES - DERIVATIVES WITH MASTER NETTING ARRANGEMENTS (Details) - Fixed indexed call options - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Derivative [Line Items]
Gross amounts recognized	$ 297.2	$ 279.0
Gross amounts offset in the balance sheet	0.0	0.0
Net amounts of assets presented in the balance sheet	297.2	279.0
Non-cash collateral	40.0	78.0
Cash collateral received	0.0	0.0
Net amount	$ 257.2	$ 201.0

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